Ah, Felix beat me to it :)

El 17/03/23 a las 16:55, Felix Lechner via escribió:
> Hi Gottfried,
>
> On Fri, Mar 17, 2023 at 9:44 AM Gottfried <gottfried@posteo.de> wrote:
>> which package is useful and easy to use to convert and resize images in
>> Guix?
> The generic way to manipulate images in Linux (especially with
> scripts) is probably imagemagick, but your time is probably better
> spent learning GIMP, if you haven't. It's great!
>
> Kind regards
> Felix Lechner
>